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/**
 *
 * @author Caio Valentim
 */
public abstract class LibraryItem {
    
    private int numCopia;

    public void remoNumCopia(int numCopia) {
        this.numCopia--;
    }
    
    public  int NumCopies(){
        return numCopia;
    }
    
    
    public abstract void Display();
    
}
